Title detection method, device and electronic equipment
A subtitle detection and subtitle technology, applied in electrical components, image communication, selective content distribution, etc., can solve problems such as reducing the accuracy of subtitles, unable to determine whether subtitles are subtitles, and inability to distinguish between subtitles and rolling subtitles.
Active Publication Date: 2018-11-06
BEIJING QIYI CENTURY SCI & TECH CO LTD
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[0003] In the prior art, it is usually distinguished according to the background color and text color of the rolling subtitle and the title subtitle. However, when the background color and text color of the title subtitle and the rolling subtitle are the same, the prior art cannot distinguish the title subtitle from the rolling subtitle. To distinguish, that is, it is impossible to judge whether the subtitles displayed in the title area are title subtitles, which reduces the accuracy of title subtitle detection
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[0103] As an implementation manner of the embodiment of the present invention, the device also includes:
[0104] The statistical module is used to count the total number of frames of the corresponding video images when the target subtitles are continuously displayed in the title area if there is no gradient animation between the title areas of the second preset number of frames of video images.
[0105] The second judging module is used to judge whether the total number of frames is not less than the first preset threshold, and if the total number of frames is not less than the first preset threshold, then determine that the target subtitle is the title subtitle.
[0106] As an implementation manner of the embodiment of the present invention, the above-mentioned first judging module 740 includes:
[0107] The calculation sub-module is used to calculate the pixel difference value between the image pixels with the same position in the target subtitle area of each adjacent two...
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The embodiments of the invention provide a title detection method, a title detection device and electronic equipment. The method comprises the steps of: determining a title area of each frame video image of a video segment to be detected; sequentially performing title detection on the title area of each frame video image of the video segment to be detected to determine a target title; selecting asecond consecutive preset number of frame video images before the corresponding video image when the target title is first displayed in the title area; determining whether gradient animations exist between the title areas of the second preset number of frame video images, and if existing, determining the target title as a title. By determining whether gradient animations exist between the title areas of the second consecutive preset number of frame video images and then judging whether the target title is a title, low accuracy of title detection when the background color and text color of thetitle and the scroll caption are identical.
Description
technical field [0001] The present invention relates to the technical field of video detection, in particular to a title and subtitle detection method, device and electronic equipment. Background technique [0002] Video is one of the important ways for people to obtain information, and the title subtitle displayed in the title area of the video playback screen can reflect the important content of the video. However, during video playback, rolling subtitles are often displayed in the title area, and these rolling subtitles provide viewers with additional information in the form of text. The additional information is usually advertisements, important notices, or interviewers and interviewees in the video playback screen. What the interviewer said. When detecting titles and subtitles in the title area of a video, it is necessary to eliminate the influence of scrolling subtitles, and correctly determine that the subtitles displayed in the title area are title subtitles. ...
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IPC IPC(8): H04N21/431H04N21/44H04N21/488
CPCH04N21/431H04N21/4312H04N21/44008H04N21/4884
Inventor 李冠楠
Owner BEIJING QIYI CENTURY SCI & TECH CO LTD